BUG/MINOR: mworker: fix a memleak when execvp() failed

Free next_argv when execvp() failed.

Must be backported as far as 1.8.

Should fix issue #668.

(cherry picked from commit 9fc6c97fb30bb9c15d6b6e34c917b0b5aba7486a)
Signed-off-by: William Lallemand <wlallemand@haproxy.org>
(cherry picked from commit 4f37a3df7cb06811d21b785b4499d2a5ae16d93b)
Signed-off-by: William Lallemand <wlallemand@haproxy.org>
1 file changed